An early winter ice storm in the Midwest caused hundreds of accidents on Saturday as parts of West Virginia and Pennsylvania hunkered down for a messy wintry mix of freezing rain, sleet and snow.

Inclement weather has plagued areas of the U.S. in the first half of the weekend, with dangerous conditions including heavy snow, a major ice storm and unusual tornado activity

Winter storm warnings are in place for the Sierra Nevada until 10 p.m. Saturday, where 6 to 24 inches of snow are possible.

Inclement weather plagued areas of the U.S. over the weekend, with dangerous conditions including heavy snow in upstate New York, a major ice storm in Midwest states and a tornado in central California.

Inclement weather plagued areas of the US in the first half of the weekend, with dangerous conditions including heavy snow in upstate New York, a major ice storm in Midwest states, severe weather warnings around Lake Tahoe and unusual tornado activity in Central California.